JPS601571A - オ−デイオ信号比較回路 - Google Patents

オ−デイオ信号比較回路

Info

Publication number
JPS601571A
JPS601571A JP10789783A JP10789783A JPS601571A JP S601571 A JPS601571 A JP S601571A JP 10789783 A JP10789783 A JP 10789783A JP 10789783 A JP10789783 A JP 10789783A JP S601571 A JPS601571 A JP S601571A
Authority
JP
Japan
Prior art keywords
signal
voltage comparator
signals
audio signal
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10789783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0474675B2 (en]
Inventor
Fumio Watabe
渡部　文雄
Yoshikazu Ito
伊藤　義和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Video Research Co Ltd
Original Assignee
Video Research Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Video Research Co Ltd filed Critical Video Research Co Ltd
Priority to JP10789783A priority Critical patent/JPS601571A/ja
Priority to GB08407633A priority patent/GB2138642B/en
Priority to FR8405904A priority patent/FR2544941B1/fr
Priority to DE3414941A priority patent/DE3414941C2/de
Priority to US06/602,404 priority patent/US4574304A/en
Publication of JPS601571A publication Critical patent/JPS601571A/ja
Publication of JPH0474675B2 publication Critical patent/JPH0474675B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manipulation Of Pulses (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP10789783A 1983-04-22 1983-06-17 オ−デイオ信号比較回路 Granted JPS601571A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10789783A JPS601571A (ja) 1983-06-17 1983-06-17 オ−デイオ信号比較回路
GB08407633A GB2138642B (en) 1983-04-22 1984-03-23 Audience rating measuring system for television receivers and video tape recorders
FR8405904A FR2544941B1 (fr) 1983-04-22 1984-04-13 Dispositif de mesure d'indice d'ecoute pour televiseur et magnetoscope
DE3414941A DE3414941C2 (de) 1983-04-22 1984-04-19 Einschaltquoten-Meßsystem für einen Fernsehempfänger und ein Videobandgerät
US06/602,404 US4574304A (en) 1983-04-22 1984-04-20 Audience rating measuring system for television and video tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10789783A JPS601571A (ja) 1983-06-17 1983-06-17 オ−デイオ信号比較回路

Publications (2)

Publication Number Publication Date
JPS601571A true JPS601571A (ja) 1985-01-07
JPH0474675B2 JPH0474675B2 (en]) 1992-11-26

Family

ID=14470837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10789783A Granted JPS601571A (ja) 1983-04-22 1983-06-17 オ−デイオ信号比較回路

Country Status (1)

Country Link
JP (1) JPS601571A (en])

Also Published As

Publication number Publication date
JPH0474675B2 (en]) 1992-11-26

Similar Documents

Publication Publication Date Title
US4433256A (en) Limiter with dynamic hysteresis
US3979679A (en) FM demodulator having squelch circuit using bucket brigade delay line
US4524291A (en) Transition detector circuit
US3875516A (en) Discriminator circuits
US4727270A (en) Noise immune circuit for use with frequency sensor
US3002154A (en) Pulse amplitude detection system
US4193028A (en) Eddy current instrumentation circuitry for distinguishing flaw signals from spurious noise signals
US4795971A (en) Device for detecting voltage fluctuation
JPS601571A (ja) オ−デイオ信号比較回路
JPS6253967B2 (en])
JPS6253071B2 (en])
US3940693A (en) Phase sensitive detector
JPH11220414A (ja) 赤外線信号受信装置
JPH05291899A (ja) ヒステリシスコンパレータ回路
US4577158A (en) Demodulator with drop-out compensation and reciprocal amplifier
JPS638675B2 (en])
JPH0271631A (ja) 雑音量検出回路
JP2513457B2 (ja) 電圧変動検出回路
JP2626191B2 (ja) Ａｍｉ信号受信回路
JPH0156385B2 (en])
KR0120585B1 (ko) 스탠더드/롱 플레이(sp/lp) 판별회로
JPS63271170A (ja) ピ−ク検出回路
JPH05110395A (ja) ２値化しきい値設定回路
JPH03201819A (ja) パルス波形歪低減回路
JP2001044809A (ja) 波形整形回路